Avitra Co., Ltd.
537/156-157 Sathupradit Soi 37, Chongnonsee, 
Yannawa, Bangkok 10120, Thailand
Tel: +66 (0)2682 0877, +66 (0)2682 4337-8
Fax: +66 (0)2682 0876
E-mail : This email address is being protected from spambots. You need JavaScript enabled to view it.